Year	Percent
1995	7.317
1996	7.317
1997	7.224
1998	7.403
1999	7.409
2000	7.416
2001	7.579
2002	8.874
2003	8.81
2004	8.661
2005	9.053
2006	9.418
2007	10.36
2008	10.36
2009	10.51
2010	10.36